The process that occurs in sex cells (sperm and egg) by which the number of chromosomes is reduced by half is called

An organism's genetic makeup or allele combination is its

An allele that is masked when a dominant allele is present is called a(n)

Having two identical alleles for a trait is called

What does the notation TT mean to geneticists?

If a heterozygous black guinea pig (Bb) and a homozygous white guinea pig (bb) are crossed, what is the probability that an offspring will have black fur? (on the test you will use a Punnett square to show your work)

Which stage of meiosis? Chromosome pairs line up in the middle and then the pairs separate and move to opposite ends creating two new cells

RNA that copies the coded message from DNA in the nucleus and carries the message into the cytoplasm

The nitrogen base that pairs up with thymine?

An organism's physical appearance, or visible traits is its

Priest who studied pea plants; who is also known as the father of genetics.

A __ letter represents the dominant allele of a gene

Having two different alleles for a trait is called

Which stage of meiosis? Chromosomes line up in the center and then the single chromosomes separate and move to opposite ends

In the genetic code, groups of three DNA bases codes for one specific

Which of the following are examples of phenotypes?

According to the chromosome theory of inheritance, ____ are carried from parents to offspring on chromosomes.

An allele whose trait always shows up in the organism when the allele is present called a(n)

Which of the following examples are homozygous?

The offspring of many generations that have the same traits are said to be

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